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The mineral industry of Pennsylvania in 1990
The mineral industry of Pennsylvania in 1990
Author: L. J. Prosser
A year book of information dealing with the mineral production of Pennsylvania .Lists minerals by tonnage and $ amount , work time and injury experience , separate charts for coal production , anthracite production and more. Loaded with charts and tables.
ISBN: 156609
Publication Date: 1990
Pages: 8
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3.5 stars, based on 1 rating
Publisher: Dept of environmental resources
Book Type: Paperback
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